package com.design.pattern.observer.guava;import com.google.common.eventbus.Subscribe;/** * create by yufeng on 2021/7/5 21:31 */public class VoEvent {    @Subscribe    public void observer(Vo arg){//        if(arg instanceof Vo){            System.out.println("执行VoEvent方法，传参为：" + arg);//        }    }}